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Mathematics
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eltonjohn's user avatar
eltonjohn
  • Member for 11 years
  • Last seen more than 1 year ago
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12
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question
12
Is $1 : 7 = 1 / 8$ or is it $1/7$?
Jul 14, 2015
question
9
A counterexample to the going down theorem
May 27, 2012
question
8
Inverse limits of groups of units of a ring.
Nov 25, 2012
question
7
Does the contraction from the localized ring preserve colon ideals and ideal sums/products?
May 20, 2012
question
7
Good textbooks on homological algebra
Jan 30, 2014
question
4
Question on adjoint functors
Dec 24, 2014
answer
4
Is a simply connected set connected?
Mar 6, 2014
answer
4
"This statement is false" - Propositional Logic
Mar 16, 2016
question
3
Complete and unabridged proof of the theorem of acyclic models
Jun 24, 2015
answer
3
R is a commutative ring with unity and prime characteristic p, show that $\phi: R \to R\,\,/\,\, \phi(a) = a^p$ is a homomorphism
Mar 5, 2014
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11
あんまり versus あまり
8
Difference between 損害 and 被害
7
なくちゃ is the short informal of なくてはいけません but why is there なくちゃいけないの rather than なくちゃの?
6
"to bite *back*"?
5
犬と猫が好き or 犬も猫も好き, which one is correct?

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